Travel Documents and Health Requirements: Governmental document and health requirements vary according to cruise destination and are subject to change without notice. Passengers should check with their travel agent before departure that the information below is still valid. Please bear in mind that it is the responsibility of the passenger to be in possession of all necessary documentation prior to boarding the vessel. Passengers without the proper documentation (passports, visas, health certificates, etc.) may be denied boarding the vessel without refund of cruise and/or Air/Sea fare.